cleaner social links

footer.php

@@ -7,11 +7,22 @@
                     </div>
                     <div class="even">
                     <ul class="navigation">
-                        <li><a href="<?php echo rss_url(); ?>">RSS</a></li>
-                        <?php if(twitter_account()): ?>
-                        <li><a href="<?php echo twitter_url(); ?>">@<?php echo twitter_account(); ?></a></li>
+                    <li><a href="<?php echo rss_url(); ?>"><?php echo social_logo('rss'); ?>RSS</a></li>
+                        <?php if(site_meta('github', '')): ?>
+                        <li><a href="<?php echo social_url('github'); ?>"><?php echo social_logo('github').site_meta('github', ''); ?></a></li>
                         <?php endif; ?>
-
+                        <?php if(site_meta('diaspora', '')): ?>
+                        <li><a href="<?php echo social_url('framaphere'); ?>"><?php echo social_logo('diaspora').site_meta('diaspora', ''); ?></a></li>
+                        <?php endif; ?>
+                        <?php if(site_meta('facebook', '')): ?>
+                        <li><a href="<?php echo social_url('facebook'); ?>"><?php echo social_logo('facebook').site_meta('facebook', ''); ?></a></li>
+                        <?php endif; ?>
+                        <?php if(site_meta('twitter', '')): ?>
+                        <li><a href="<?php echo social_url('twitter'); ?>"><?php echo social_logo('twitter').'@'.site_meta('twitter', ''); ?></a></li>
+                        <?php endif; ?>
+                </ul>
+                <br />
+                <ul>
                         <li><a href="<?php echo base_url('admin'); ?>" title="Administration">Administration</a></li>
 
                         <li><a href="<?php echo base_url(); ?>" title="Retour &agrave; l'accueil.">Accueil</a></li>

functions.php

@@ -64,12 +64,19 @@ function html_meta($key) {
     echo $output;
 }
 
-function twitter_account() {
-	return site_meta('twitter', 'tetras_libre');
+function social_url($network) {
+    $NETWORKS_URLS = array (
+        'github' => 'https://github.com/',
+        'framasphere' => 'https://framasphere.org/',
+        'facebook' => 'https://facebook.com/',
+        'twitter' => 'https://twitter.com/',
+    );
+    return $NETWORKS_URLS[$network].site_meta($network, '');
 }
 
-function twitter_url() {
-	return 'https://twitter.com/' . twitter_account();
+function social_logo($network) {
+    $img=theme_url("img/$network.png");
+    return "<img height=\"20\" width=\"20\" src=\"$img\" alt=\"$network/\"/>";
 }
 
 function total_articles() {